28results about How to "Improve water purification efficiency" patented technology

The utility model provides a circulating type wastewater treatment device and a household water purifier, the circulating type wastewater treatment device comprises a wastewater pipeline, one end of the wastewater pipeline is suitable for being connected with a wastewater port of the water purifier, and a one-way valve is arranged on the wastewater pipeline; the water mixing tank comprises a tank body, and the tank body is provided with a first water inlet connected with the other end of the wastewater pipeline and used for receiving wastewater flowing out of the wastewater pipeline; the second water inlet is communicated with a tap water pipeline and is used for introducing tap water so as to primarily dilute the wastewater in the box body and form mixed water; the first water outlet is communicated with a water inlet of the water purifier; and a second water outlet; the faucet is communicated with the second water outlet, and the faucet is configured to reduce the TDS value of the mixed water by discharging at least part of the mixed water; wherein the mixed water is continuously diluted by tap water in the tap water pipeline within the interval time of water production.

The invention relates to the technical field of automation, and provides a water purification method and system, a water purifier, a storage medium and a computer program product.The method comprises the steps that in the water purification process based on a capacitive deionization water purification system, the accumulated water purification amount of the capacitive deionization water purification system between the target moment and the current moment is determined; the target moment is the moment of cleaning an electrode in the capacitive deionization water purification system for the last time before the current moment; if the moment for cleaning the electrode in the capacitive deionization water purification system does not exist, the target moment is a water purification starting moment when the capacitive deionization water purification system performs water purification for the first time; and determining that the accumulated water purification amount is greater than or equal to a preset water purification amount threshold value, and cleaning an electrode in the capacitive deionization water purification system. By accurately judging the cleaning requirement, the electrode in the capacitive deionization water purification system can be cleaned in time, it is ensured that the electrode can efficiently purify water for a long time, and then the water purification efficiency of the water purification system can be improved.

The invention provides an in-situ water quality purification system and method combined with river bank slope protection engineering. The system comprises a river; the at least one first-stage barrage is located in the river channel and used for lifting the water level and adjusting water flow; the plurality of step gabion gabions are arranged along the bank slope of the river channel and are used for completing in-situ water quality purification on river water; and the at least one secondary barrage is positioned in the river channel, is arranged at the downstream of the primary barrage and is used for further raising the water level and adjusting the water flow. The bank slope adopts a step-shaped design, and each step is used as an independent wetland treatment unit. According to the structure, the natural terrain is fully utilized, the contact surface area of water and the wetland is increased, and the water purification efficiency is improved through stage treatment. And the stepped layout is also beneficial to slowing down the water flow speed and promoting the sedimentation and filtration of pollutants.

The utility model relates to the technical field of water treatment, and provides an air-water backwashing filter tank, which comprises two filter tanks and a supply unit for supplying air and water, the supply unit is arranged between the two filter tanks, and the two filter tanks are symmetrically arranged by taking the supply unit as a symmetry axis; a V-shaped groove for filtering is formed in each filter tank, an air-water chamber is arranged below each V-shaped groove, and air and water provided by the supply unit enter the air-water chamber. According to the air-water backwashing filter tank disclosed by the utility model, the two filter tanks are symmetrically arranged, so that the water purification efficiency can be improved, and a washing water inlet pipe is easy to arrange, so that synchronous washing of the two filter tanks is realized, and the washing efficiency is improved.

The present application relates to sulfur autotrophic equipment technical field, propose a kind of for coal chemical industry salt process sulfur autotrophic equipment, including reactor main body, three partitions and material feeder, the partition is fixedly arranged in the reactor main body, sliding hole is opened in the middle of the partition, water hole is opened in the outer edge position of the partition located in middle;The material feeder includes mesh tube, bottom plate and driving device, the mesh tube is slidably arranged between three sliding holes, and feeding port is opened on the circumferential side of the mesh tube;The bottom plate is fixedly arranged in the mesh tube and below the feeding port;The driving device is used to drive the mesh tube to move in the direction perpendicular to the partition.The present application is by opening sliding hole on partition, and setting mesh tube, bottom plate and driving device, the mesh tube is moved using driving device, sulfur autotrophic carrier can be evenly filled into reactor main body, so as to improve the water purification efficiency of the present sulfur autotrophic equipment.

The utility model discloses a controllable permeation regulation constructed wetland bottom layer drainage system, which comprises a water filtering layer arranged in a wetland pond and sequentially comprises a river sand filling layer, a quartz sand filling layer, a gravel filling layer and a high-strength permeable grating layer. A drainage connector is connected to the side wall of the bottom of the wetland pond, and a drainage caisson connected with the drainage connector is buried in a soil layer on the outer side of the wetland. The sandy soil backfilling assembly and the drainage assembly are installed on the drainage caisson. The sandy soil backfilling assembly comprises an outer sleeve, a desilting barrel, an inner sleeve, a spiral conveying blade and a backfilling pipe. According to the system, long-term stable operation of the wetland is ensured, the water quality purification efficiency is improved, the landscape effect and the ecological function of the wetland are enhanced, and an advanced and practical solution is provided for urban and rural sewage treatment and river and lake restoration.

The invention relates to an active rotary spraying type filter element self-cleaning water purifier, which is water purification equipment which is used for a rural small tap water station and is used for automatically cleaning a filter element in a manner of spraying fan-shaped high-pressure water flow by a fan-shaped nozzle in active rotary motion, and the equipment mainly comprises three parts, namely a main frame, a water purification device and a rotary spraying device, the automatic cleaning device has the following characteristics: (1) the stainless steel cylinder filter element is automatically cleaned in an active spraying manner, so that the time cost and the labor cost for manually dismounting, washing and mounting the filter element can be reduced; (2) a plurality of fan-shaped nozzles in the rotary spraying device can perform bypassing motion along with a spray head bent pipe and a spray head straight pipe when spraying operation is performed on the surface filter screen of the stainless steel cylindrical filter element, so that the surface filter screen of the stainless steel cylindrical filter element is sprayed and cleaned in all directions; and (3) a plurality of groups of stainless steel cylinder filter elements are arranged in the water purifying device, so that the water purifying efficiency is high.

The utility model relates to the technical field of water purification, in particular to an energy-saving type one-step purifier which comprises a purification barrel and a reaction chamber, a center barrel is arranged in the reaction chamber, a water inlet pipe is arranged on the outer side of the purification barrel, a nozzle is arranged at one end of the water inlet pipe, a spring is arranged in the nozzle, and a pressing type water outlet plug is arranged at the upper end of the spring. And a top block is fixedly arranged on the central cylinder corresponding to the pressing type water outlet plug. The high-pressure water pump injects sewage into the bottom side of the nozzle through the water inlet pipe, at the moment, the press type water outlet plug blocks the nozzle to enable water pressure in the nozzle to rise, the nozzle slides upwards under the action of the water pressure, the press type water outlet plug makes contact with the ejector block, the side face of the press type water outlet plug is separated from the inner side wall of the nozzle, and the sewage is sprayed out from the edge of the press type water outlet plug. And the spring can reset the pressing type water outlet plug to close the nozzle, so that on one hand, secondary pressurization can be performed to improve the water flow speed, and on the other hand, sludge generated after reaction can be prevented from flowing back into the water inlet pipe, so that the water purification efficiency of the one-step water purifier is improved.

The utility model relates to the technical field of water purification equipment, and provides a continuous flow photocatalytic reactor and a water purification plant, the continuous flow photocatalytic reactor comprises: a reaction column comprising an inner shell and an outer shell, the inner shell encloses a first space, and a closed second space is enclosed between the inner shell and the outer shell; the inner shell is made of a light-transmitting material, and a water inlet and a water outlet are formed in the outer shell; the first space is used for placing a catalytic light source, the second space is used for filling a photocatalytic activity unit, and the photocatalytic activity unit is a small ball loaded with a photocatalyst; the inner wall of the second space is provided with a concave surface and a convex surface, and the concave surface and the convex surface are arranged between the water inlet and the water outlet; according to the arrangement, light of the catalytic light source is fully utilized, harm caused by escape of strong light is avoided, in addition, the concave surface and convex surface structures arranged between the water inlet and the water outlet are beneficial to causing a turbulent flow phenomenon in a water flowing process, the mass transfer efficiency is improved, and the degradation effect and the reaction rate of organic pollutants can be greatly improved.

The invention provides a circulating type wastewater treatment device and a household water purifier, the circulating type wastewater treatment device comprises a wastewater pipeline, one end of the wastewater pipeline is suitable for being connected with a wastewater port of the water purifier, and a one-way valve is arranged on the wastewater pipeline; the water mixing tank comprises a tank body, and the tank body is provided with a first water inlet connected with the other end of the wastewater pipeline and used for receiving wastewater flowing out of the wastewater pipeline; the second water inlet is communicated with a tap water pipeline and is used for introducing tap water so as to primarily dilute the wastewater in the box body and form mixed water; the first water outlet is communicated with a water inlet of the water purifier; and a second water outlet; the faucet is communicated with the second water outlet, and the faucet is configured to reduce the TDS value of the mixed water by discharging at least part of the mixed water; wherein the mixed water is continuously diluted by tap water in the tap water pipeline within the interval time of water production.

The invention provides a method for treating nitrate wastewater through a three-dimensional electrode biological membrane, and belongs to the technical field of nitrate wastewater treatment. The method comprises the following steps: constructing a cylindrical three-dimensional electrode method bio-membrane reactor by taking activated carbon as a substrate, taking a cylindrical shape enclosed by a plurality of graphite rods as a cathode and taking a middle graphite rod as an anode; the reactor cathode generates H2 under the action of impressed current, autotrophic hydrogen type denitrifying bacteria grow and breed depending on H2 and are attached to the surface of a cathode graphite rod to form a biological membrane, nitrate nitrogen in water can be diffused into the biological membrane, and the biological membrane on the surface of the cathode graphite rod utilizes the generated H2 to reduce the nitrate nitrogen; cO2 is generated at the anode of the reactor and is further converted into carbonic acid, bicarbonate radicals and carbonate radicals, and a carbon source required by growth and reproduction is provided for the autotrophic hydrogen type denitrifying bacteria. According to the three-dimensional electrode bio-membrane reactor, a filling material is added in a two-dimensional reactor structure to serve as a supplementary electrode, and stronger wastewater treatment capacity is brought by a larger surface area.

The utility model discloses a water supply purification device, and relates to the technical field of water supply purification, the left side of a device main body is connected with a water inlet pipe, the top of the water inlet pipe is provided with a connecting shaft, the connecting shaft is connected with a swinging blade, the top of the connecting shaft is provided with a first bevel gear, and the first bevel gear is meshed with a second bevel gear; a fixing shaft is arranged on the right side of the second bevel gear, the fixing shaft is connected with a third bevel gear, the third bevel gear is meshed with a fourth bevel gear, a spiral shaft is arranged at the bottom of the fourth bevel gear, and the spiral shaft is connected with the bottom of the water inlet pipe; the interior of the device body is connected with an asbestos filtering layer, and the asbestos filtering layer is fixed through penetrating and connecting holes. Through the arrangement of the swing blades, after a water source enters the water inlet pipe, the flow speed of water supply can be known through the swing blades, then the spiral shaft is driven to rotate through the bevel gear mechanism, and therefore the spiral shaft can rotate better to convey the water source into the device body.

A photosensitive power supply module supplies power to an electric telescopic rod when monitoring that the illumination intensity on the water surface reaches a preset threshold value, the electric telescopic rod stretches and retracts in a reciprocating mode to drive artificial aquatic plants to periodically immerse into the water surface or emerge from the water surface during power supply, and in the immersion process, the electric telescopic rod drives the artificial aquatic plants to float out of the water surface; the surface of the artificial aquatic plant adsorbs pollutants in a water area, and in the floating process, the photocatalytic composite film can perform photocatalytic decontamination on the adsorbed pollutants under natural illumination; the photosensitive power supply module supplies power to the light-emitting assembly when monitoring that the illumination intensity on the water surface is lower than a preset threshold value, the electric telescopic rod is kept in an extension or compression state to drive the artificial aquatic plants to be immersed into the water surface, and the light-emitting assembly conducts close-range illumination on the photocatalytic composite film. The photocatalytic composite film can perform photocatalytic removal on pollutants in water under the condition of no light or weak light, so that all-day and all-time effective photocatalytic decontamination is realized.

The invention relates to the technical field of water purification equipment, in particular to integrated water purification equipment which comprises a tank body, a water purification cavity and a filtering cavity which are communicated with each other are formed in the tank body, a rotating table is arranged between the water purification cavity and the filtering cavity, a water purification assembly is arranged in the water purification cavity and comprises a rotatable driving rod, and the driving rod is sleeved with a blow-off pipe. The sewage discharge pipe is sleeved with a lifting ring, the lifting ring is connected with a rotatable rotating sleeve rod, a plurality of stirring paddles are annularly arranged on the periphery of the rotating sleeve rod, a sewage cleaning assembly is arranged in the water purification cavity and comprises connecting plates symmetrically connected to the lifting ring, sliding blocks are elastically connected to the connecting plates, and a plurality of avoiding holes are annularly formed in the position, at the rotating table, of the sewage discharge pipe. A plugging assembly and a pollution discharge assembly which are matched with each other are arranged outside the pollution discharge pipe in the filter cavity, and a filter material is arranged in the filter cavity. Therefore, after the sewage is subjected to chemical treatment, impurities generated by water purification can be transferred in time, and the treated water is filtered, so that the water purification efficiency is improved.

The utility model discloses an ozone water treatment device which comprises a water storage tank and is characterized in that the water storage tank is communicated with a water ejector through a water conveying pipe, the water conveying pipe is further communicated with an anti-backflow pipe arranged on an ozone tank, and a liquid outlet of the water ejector is communicated with a mixed liquid conveying pipe which is bent upwards. An adjusting pipe is communicated between the water conveying pipe between the ozone tank and the water ejector and the mixed liquid conveying pipe; a liquid outlet of the mixed liquid conveying pipe is further communicated with at least one mixing device, and liquid outlets of the mixing devices are communicated with nozzles through oxygen mixing pipes; an oxygen conveying pipeline is further arranged on the ozone tank, and an output port of the oxygen conveying pipeline is communicated with the mixing device. By arranging the structures such as the water ejector, ozone and water can be mixed by adopting a multi-stage mixing structure, and the ozone suction amount can be adjusted in real time, so that the ozone and the water are fully mixed, and the solubility of the ozone is improved, thereby improving the water purification efficiency.

The utility model discloses an aeration reoxygenation water quality purification device which comprises an aeration device and a purification device which are independently arranged, the purification device is arranged in an aeration area of the aeration device, the purification device comprises a floating body, the floating body is provided with a planting cylinder, the open end of the planting cylinder is exposed out of the water surface, and the closed end of the planting cylinder is submerged in water. A plurality of first through holes are formed in the cylinder wall of the planting cylinder, emergent aquatic plants are planted in the planting cylinder, and a plurality of hanging materials are hung below the floating body; the purification device disclosed by the utility model can be used for intercepting bubbles, so that more oxygen is dissolved in water, and meanwhile, the flowing of a nearby water body is accelerated, so that the formation, growth and activity of microbial communities are promoted; moreover, the emergent aquatic plants grow, various organic matters such as nitrogen, phosphorus, hydrogen sulfide and phosphite in water are effectively degraded, the turbidity and peculiar smell of a water body are reduced, and under the combined action of the microflora and the emergent aquatic plants, the water quality purification efficiency is higher, and the effect is better.

The utility model discloses water treatment equipment which comprises a water pipe and a water purifier, a water inlet tank and a water inlet pipe are arranged on the water purifier, a partition plate and a mounting rack are arranged on the water inlet tank, a non-woven fabric filter layer, a quartz sand filter layer and an activated carbon filter layer are respectively arranged on the mounting rack, a mounting plate is arranged on one side of the mounting rack, and a limiting device is arranged between the mounting plate and the water inlet tank. A non-woven fabric filter layer, a quartz sand filter layer and an activated carbon filter layer are arranged in the water inlet tank, so that a water source can be conveniently and preliminarily filtered and purified, a mounting frame, a mounting plate and a limiting device are arranged, and the water inlet tank is convenient to clean and clean by arranging the mounting frame, the mounting plate and the limiting device. According to the water purifier, all the filter layers are conveniently installed and cleaned, the operation convenience is further improved, the rotating knob is arranged to drive the rotating plate and the rotating shaft to rotate, the non-woven fabric filter layer, the quartz sand filter layer and the activated carbon filter layer can be cleaned and replaced under the condition that the water purifier is not stopped, and the water purification efficiency is improved.

The utility model relates to the technical field of water purification equipment, and discloses a circulating water purification device for cynoglossus semilaevis seedling culture, which comprises a box body, a mounting plate is fixedly connected to the outer side of the box body, a barrel body is fixedly connected to the top of the mounting plate, a filter cartridge is fixedly connected to the middle of the barrel body, and a motor is fixedly connected to the top of the filter cartridge. A rotating shaft is fixedly connected to the output end of the motor, spiral blades are fixedly connected to the periphery of the rotating shaft, a fixing plate is fixedly connected to the top of the box body, a water pump is fixedly connected to the top of the fixing plate, a water pumping pipe is fixedly connected to the interior of the box body, and a plurality of water inlets are formed in the outer side of the water pumping pipe; the top end of the water pumping pipe is communicated with the input end of the water pump. According to the water purification device, the motor is started to drive the spiral blade to rotate, so that impurities collected in the filter cartridge can be conveyed upwards and discharged out of the device, the water purification device can synchronously filter, purify and clean the filtered impurities, and the water purification efficiency of the device is improved.

The invention relates to a water purification device and water purification equipment. The water purification device comprises a first electrode assembly, a water guide part and a second electrode assembly, the first electrode assembly, the water guide part and the second electrode assembly are sequentially stacked in the first direction, the first electrode assembly is used for being connected with a negative electrode of an external power source, first electrode liquid flows in the first electrode assembly, and the second electrode assembly is used for being connected with a positive electrode of the external power source, and second electrode liquid flows in the second electrode assembly; an electric field is formed between the second electrode assembly and the first electrode assembly; the water flow guide part is located in the electric field, to-be-treated water flows in the water flow channel, the projection of the water flow channel on the surface perpendicular to the first direction extends in a zigzag mode, and the length of the water flow channel is increased in a zigzag mode, so that the contact area between the first electrode assembly and the to-be-treated water and the contact area between the second electrode assembly and the to-be-treated water are increased. The water purification efficiency of the to-be-treated water is effectively improved.

The invention relates to an efficient water purification quartz sand filtering method, and belongs to the technical field of quartz sand filtering. Comprising the following steps: S1, feeding circulating cooling water into a filtering tank; s2, adding potassium permanganate and ferrite into the circulating cooling water in the filtering tank, uniformly mixing, and carrying out a flocculation reaction to form a floc; and S3, sequentially filtering the water flowing out of the filtering tank through quartz sand filtering layers with different particle sizes in the filter. Before a water source is filtered, potassium permanganate and ferrite are used for pretreatment, natural organic matter can be effectively removed, meanwhile, quartz sand with different particle sizes can filter the water source stage by stage, and suspended solids, microorganisms and slime in circulating cooling water are effectively controlled to be filtered and intercepted; the water purification efficiency and the water purification effect are effectively improved.

The utility model provides an energy-saving and environment-friendly chemical waste liquid purification device, which relates to the technical field of waste water filtering devices, and comprises a box body and a water purification mechanism, the water purification mechanism is arranged in the box body, and by arranging a primary filtering assembly, large-particle impurities in industrial waste water can be filtered out, so that the subsequent filtering process is easier, and the service life of the industrial waste water is prolonged. By arranging the waste collecting assembly, when the device is used for filtering water, impurities in the device can be removed by utilizing the waste collecting assembly, and the situation that the whole process is stopped due to cleaning is avoided, so that the water purification efficiency of the device is improved, and by arranging the stirring assembly, water and a water purification agent can be fully mixed; according to the water purification device, the reaction between water and a medicament can be accelerated, so that the water purification medicament can play a role more quickly, meanwhile, the water and the medicament can be mixed within a shorter time, the water treatment efficiency is improved, and the water quality can be further purified through the arrangement of the secondary filtering assembly, so that the water purification quality is improved.

The invention relates to the field of water purification filter elements, in particular to a water purification filter element which comprises a filter pipe, an unwinding roller, a winding roller and a supporting seat, the unwinding roller and the winding roller are arranged on the two sides of the filter pipe respectively, and the filter pipe, the unwinding roller and the winding roller are all arranged above the supporting seat; a water passing groove is formed in the filter pipe, a plurality of spiral through grooves are formed in the outer wall of the filter pipe at equal intervals in a penetrating mode, the rotation angle of each spiral through groove is larger than 360 degrees, and water can be filtered and purified by the PP filter element in the sealing insertion groove when penetrating through the spiral through grooves. By arranging an unwinding roller and a winding roller, the filter element roll can be quickly wound and unwound, so that the PP filter element in the sealing slot is replaced, the replacement of the PP filter element does not need to be disassembled and assembled in the water purifier, the use time of a single group of filter elements is longer, and the water purification efficiency is improved; and the used PP filter element and the used diaphragm can be synchronously wound into the filter element winding groove and the diaphragm winding groove in the winding roller respectively.

The invention belongs to the technical field of household water purification equipment, and particularly discloses a household water purification device which comprises a water purifier outer box and a water tank, the water tank is installed on the inner side of the water purifier outer box, a control pipeline assembly is arranged on one side of the water purifier outer box, the bottom of the water tank is connected with a faucet discharge pipeline, and the faucet discharge pipeline is connected with a water outlet of the water purifier outer box. An ultrafiltration membrane assembly is arranged on the inner side of the water tank, the top of the ultrafiltration membrane assembly is connected with an adjusting assembly, when the ultrafiltration membrane assembly is blocked and forward washing is hindered, the control pipeline assembly continues to flush water and pushes the ultrafiltration membrane assembly to move upwards, and the adjusting assembly limits the ultrafiltration membrane assembly when the ultrafiltration membrane assembly moves upwards. A trigger is arranged on the inner side of the water purifier outer box and located at the bottom of the faucet discharge pipeline, and backwashing is triggered when the ultrafiltration membrane assembly moves upwards to make contact with the trigger.

The utility model discloses a microbial sewage treatment system, which relates to the technical field of sewage treatment and comprises a sedimentation tank, a first filter device, an aeration tank, a transfer tank and a second filter device, a garbage collection tank is arranged at the left end of the sedimentation tank, and a water inlet pipe is arranged above the sedimentation tank; the first filtering device is arranged between the sedimentation tank and the garbage collection tank, and is used for filtering garbage entering the sedimentation tank from the water inlet pipe and conveying the filtered garbage into the garbage collection tank; the aeration tank is connected with the sedimentation tank through a pipeline, and a biological filler is arranged in the aeration tank; the transfer tank is arranged at the right end of the aeration tank and is connected with the aeration tank through an overflow port; the second filtering device is arranged between the aeration tank and the transfer tank, and is used for filtering the biological filler entering the transfer tank from the overflow port and conveying the filtered biological filler back into the aeration tank. According to the utility model, the labor intensity of workers can be effectively reduced.

The auxiliary precipitation structure comprises a plurality of inclined plates and a fixing frame, a stirring machine is arranged in the center of the machining pool, an annular water outlet groove is formed in the position, close to the outer side edge, in the machining pool, an annular precipitation groove is correspondingly formed below the water outlet groove, and the two opposite side walls in the precipitation groove are the first side wall and the second side wall. The diameter of the first side wall is larger than that of the second side wall, and clear water at the separation position of the precipitation tank flows into the water outlet tank; the fixing frame is detachably and fixedly connected with the first side wall and the second side wall, the inclined plates are sequentially connected end to end to form a ring shape and are located above the fixing frame, the included angle between each inclined plate and the horizontal plane is 55-65 degrees, a plurality of through holes are formed in each inclined plate, and the upper surfaces and the lower surfaces of the inclined plates are communicated through the through holes. The scheme is simple in structure, low in construction difficulty, short in construction period and low in cost. Impurities in water can be attached to or precipitated on the inclined plate, so that the water purification efficiency is improved, the turbidity of the water can be reduced, and the water purification effect is good.

The system comprises a plurality of microbiological treatment ponds in a primary treatment culture tail water stage and an aquatic plant purification pond in a secondary treatment culture tail water stage, wherein breeding tail water enters different microbiological treatment ponds through a plurality of tail water inlet pipes respectively; activated sludge for purifying water and an aeration mechanism are arranged at the bottom of the microbiological treatment tank; the aquatic plant purification pond is communicated with the plurality of microbiological treatment ponds through pipelines. In the microbiological treatment tank, an activated sludge layer is covered with an interlayer cover, the water quality purification efficiency of microorganisms is improved by reducing the space and improving the aeration efficiency, and meanwhile nitrogen and phosphorus substances treated by the microorganisms can be recycled through an adsorbent filled in the interlayer cover and serve as nitrogen and phosphorus fertilizers for resource utilization; in addition, the water quality after the stage of primary treatment of the culture tail water is further subjected to adsorption treatment by means of aquatic plants, and recycling of the purified water quality can be met.

The present invention discloses a eutrophic water purification system, including an algae adsorption pool, a matrix adsorption pool and a sedimentation pool, one side of the algae adsorption pool and the matrix adsorption pool are respectively connected with an algae adsorption pool outlet and a matrix adsorption pool outlet, and one end of the algae adsorption pool outlet and the matrix adsorption pool outlet are respectively connected with the matrix adsorption pool and the sedimentation pool, a plurality of partition walls are arranged inside the algae adsorption pool, and the plurality of partition walls are installed in an interval arrangement manner, and the surfaces of the plurality of partition walls are all suspended with filamentous algae meadows, the bottom surface of the matrix adsorption pool is provided with an adsorption matrix, the bottom of the sedimentation pool is provided with matrix sand, and submerged plants and biological boxes are arranged on the matrix sand. This eutrophic water purification system has a simple and reasonable structure, a novel design, can effectively reduce the eutrophication of the water body, has a good purification effect, and has the characteristics of environmental protection, energy saving and pollution-free, and is highly practical.

The invention discloses an adjustable photocatalytic intelligent sterilization device which comprises a shell, a conical filter assembly, a pressurized water inlet assembly and a sterilization mechanism, a water-stop sheet and a pretreatment box are mounted in the shell; the pretreatment box is positioned below the water-stop sheet; the conical filtering assembly is rotationally connected to the inner wall of the pretreatment box, and a water guide part is arranged on the inner side wall of the conical filtering assembly; one end of the pressurizing water inlet assembly extends into the pretreatment box and faces the water guide part; a primary filtering assembly is mounted on the pressurized water inlet assembly; the sterilization mechanism comprises an annular light source assembly and a transparent spiral tube assembly; the annular light source assembly is installed on the top of the water-stop sheet, and the transparent spiral pipe assembly is fixedly installed in the shell and arranged outside the annular light source assembly in a winding mode. According to the invention, secondary filtration and photocatalytic water treatment can be realized, microorganisms such as escherichia coli and bacteria in water can be effectively killed, low-concentration new pollutants such as antibiotics in water can be degraded, the water purification efficiency is improved, and the photocatalytic glass beads are convenient to recycle and reuse.